... 976Fin protein synthesis, 976, 976FPolyunsaturated fatty acid, 219Ddegradation of, 714, 715Fdocosahexaenoic acid as, 736Bin mammals, 735Porcine ribonuclease inhibitor, 169FPorin, 255, ... 20of animal cell, 23Tof plant cell, 24Tsignal peptidase and, 996–997sarcoplasmic, 280Retina, docosahexaenoic acid in, 736BRetinal, 285SRetrograde translocation, 997Retrovirus, 876BReunion...